diff --git a/packages/test/package.json b/packages/test/package.json
index e023c5a..bce03f9 100644
--- a/packages/test/package.json
+++ b/packages/test/package.json
@@ -27,7 +27,7 @@
     "url": "https://github.com/VaultBricks/DSS/issues"
   },
   "dependencies": {
-    "fast-check": "^3.15.0",
+    "fast-check": "^4.5.3",
     "ethers": "^6.10.0"
   },
   "devDependencies": {